Some of the python source file starts with -*- coding: utf-8 -*-. This particular linetells python interpreter all the content (byte string) is utf-8 encoded. Lets see how it affects the code. uni1.py: # -*- coding: utf-8 -*- print("welcome") print("animé") output: ➜ code$ python2 uni1.py welcome animé Third line had a accented character and it wasn’t explictly stated as unicode. print function passed successfully.Since first line instructed interpreter all the sequences from here on wi...